Physical Partitions in SAP BW
Hi Experts,
Our current implementation of SAP BW is on Db2 UDB (the system is technically upgraded to 7.0 but the objects are still based on BW 3.5)
Database DB6
Operating System AIX
We are trying to find if physical partitioning is possible for infocubes,DSO, datasources.
Is it done by the Basis and DB team or Db2 takes care of partitioning by itself.
My apologies, if it has been already posted, I am a part of BW team, so not sure of this question.
Please Suggest. Any docs/notes are appreciated
Thanks
El
Hi El,
we support two kinds of partitioning in SAP NetWeaver BW on DB2:
1. Hash partitioning with the DB2 Database Partitioning Feature: tables are distributed over several database partitions based on a hash key. Performance of complex queries is improved because the queries are executed in parallel on the database partitions. Maintenance operations like index built, statistics collection, data deletion is also improved by execting in parallel.
2. Multi-dimensional clustering (MDC): The table data is clustered along one or more columns. This speeds up queries which restrict on the clustering columns as well as large delete operations (for example, deletion of InfoPackages from PSA tables).
You find details about these options and how to implement them in our administration guide on the SAP Service Marketplace (http://service.sap.com/instguides: Folder SAP NetWeaver - SAP NetWeaver 7.0 (2004s) - Operations: Database Specific Guides: "SAP NW 7.0 or higher Admin Guide: DB2 for LUW").
Best regards,
Brigitte Bläser
SAP on DB2 for Linux, UNIX, and Windows Development
Similar Messages
-
Logical Vs physical partitions ?
Hello BW Experts,
What is the diff between the logical and physical partitions. The partitions that we do on a cube based on 0calmonth / 0fiscyear is that logical or physical.
Suggestions appreciated.
Thanks,
Kalyanhi,
in bw, physical partitioning done on database level and logical partitioning done with multiprovider. cube partitioning with 0calmonth is physical partitioning.
take a look
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/ce7fb368-0601-0010-64ba-fadc985a1f94
Database (or Physical) Partitioning
-Database tables are cut into smaller chunks (partitions)
-One logical database table
-Transparent for user
-Available for the following database management systems
Range Partitioning: ORACLE, Informix, IBM DB2/390
Hash Partitioning: IBM DB2/UDB
Database (or Physical) Partitioning
*Benefits
-Parallel accesses to partitions
-Read smaller sets of data Fast
-Deletion of partitions (DROP PARTITION instead DELETE FROM WHERE)
*Automatically Partitioned Database Tables (for Range Partitioning)
-InfoCube F-Fact table: partitioned by request
-PSA table: partitioned by request ODS
-Change Log: similar to PSA table
*User Defined Partitioning Criteria (for Range Partitioning)
-InfoCube E-Fact table
-Partition Criteria:
Time characteristics like month or fiscal period
-Note: Both fact tables are extended by the SID of the chosen time characteristic
MultiProvider (or Logical)
-Partitioning Possible partitioning criteria: year, plan/actual, regions, business area
-Parallel sub-queries are started automatically to basic InfoCubes -
Physical partitioning have anything to do with where data is on the disk?
Hi All,
I've read through numberous threads here and understand the difference between physical and logical, but no discussion (that I've seen) has asked if there is any relation of physical partitioning to how the data is organized on the disk. For example in SAP the options for physical partitioning are 0CALMONTH or 0FISCPER, so when you select, lets say 0CALMONTH, does that also mean that all your cube's data for March 2010 is physically read and written near all other March 2010 data on the disk?
Conceptually this makes sense to me as part of the reason for improved performance because the disk won't have to move very far to retrieve all related (in this case March 2010) data.
Is this true? or am I extrapolating too far?
Thanks.
Edited by: Benson Wong on Mar 4, 2010 6:38 PM
Edited by: Benson Wong on Mar 4, 2010 6:42 PM
Edited by: Benson Wong on Mar 4, 2010 6:42 PMI read that thread and in the SAP library which is quoted, it says, "you can split up the whole dataset for an InfoCube into several, smaller, physically independent and redundancy-free units."
So what is meant by physically independent in this definition? The way I've described it seems compatible, since data of similar partitions are physically seperate on the disk, though again I'm not sure if its true.
More inputs would be appreciated... points have and will continue to be awarded.
Edited by: Benson Wong on Mar 4, 2010 10:38 PM -
FOR WHAT PURPOSE THE PARTITIONING IS USING SAP-BW AND WHATS THE
ADVANTAGES WHILE USING THIS PARTITIONING.Hi,
Physical partition: It is done when you want to partition the data in your cube in the database using 0calmonth or 0fiscyear.
By using partitioning you can split up the whole dataset for an InfoCube into several, smaller, physically independent and redundancy-free units. Thanks to this separation, performance is increased when reporting, or also when deleting data from the InfoCube.
http://help.sap.com/saphelp_nw04/helpdata/en/33/dc2038aa3bcd23e10000009b38f8cf/frameset.htm
Logical Partition: This method is used if your data in your cube become huge. So you create multiple cubes say for 1cube for 2001, another cube for 2002, etc... You can then use a multiprovider - which consists of all these cubes and then report on all the data.
Bye
Dinesh -
Physical partitioning query performance wore than without
Hello experts,
I have copied InfoCube 0COPC_C04 to ZCPOC_C06 with a test-query and took over data from 0COPC_C04 to test the functionality of Repartitioning (~ 4 million records)
I did Repartitioning following instructions from note 1008833 for 0FISCPER (I used se38 RSDU_SET_FV_TO_FIX_VALUE to set 0FISCVARNT to constant) - starting-point is 001.2000 - end-point is 016.2010
Indexes and Statistcs are re-created.
We have Oracle 10.2.0.2.0 and SAPKW70022 on BW 700
So - from my point of view everything is fine - BUT: Queryperformance is worst than before - shown in rsrv.
Variable in Query is over 0FISCYEAR and 0FISCPER3 and NOT over 0FISCPER (a querytest with 0FISCPER brought the same bad performance result).
Even I read, that with physical partitioning the query reads PARALLEL --- I can not see any parallel things in sm50 / sm66 - I have excpected to see parallel readings due to my query - I asked for results from 001.2006 - 12.2010 - and 13 partions were created (related to se14 ).
What might be the problem?
Thanks for your answer,
Thomas
Edited by: Thomas Liebschner on Jan 4, 2011 3:28 PM#1171650 is already implemented (since 14.12.2010) --- I asked my collegaue from Basis-Team to send me the report.
> I read parallel-queryexcution in the SAP Press Galileo Press Book "SAP BW Peformanceoptimierung" written by Thomas Schröder (ISBN: 3-89842-718-8), Page 376. If you like, I can send this page as pdf to your mail stored in your business card.
Would be interesting to see that excerpt, yes.
> What I missed was to compress the F-Table.
>
> I'm wondering, that:
> 1. After Compressing 0COPC_C04 with 8 million records gave a dramatically improvement of query-performance. No partitioning.
Sure, usually a lot less data needs to be read now.
> 2. After a new Full-load from 0COPC_C04 to ZCOPC_C06 with rebuilding indices and statistics I got similar query-performance compared to 1
Also easy to understand.
The F-Facttable contains data per load. So data concerning the same business items will be in that table multiple times and need to be aggregated on-the-fly during query execution.
The E-Facttable in contrast just contains one entry per business item. Which is the same situation you'll find when you just have one single data load request.
> 3. If I compress ZCOPC_C06, then query-performance drops dramatically down (needs double time, if I use 0FISCPER, needs 8 times more in query with 0FISCYEAR and 0FISCPER3)
>
> additional information: I have merged partitions from ZCOPC_C06 to one partition --> checked by se14 /BIC/FZCOPC_C06 -- storage parameters
Hmm... ok, here we would really need to see what Oracle does with your Query and the partitioning scheme then.
What seems obvious is that as soon as you have just one partition, then there is no way for Oracle to split up work and leave uninteresting data aside (partition-pruning),
> Conclusion: it seems for me, that compression is enough - partitioning has no advantage in that dedicated scenario.
> Do I think right?
I think that compression is a must-do in 99% of all cases for SAP BI and that the partitioning of the E-Facttable should be reviewed on your system.
Up to here there is too little information available to tell whether or not it could benefit your query execution time.
Another aspect you might consider with partitioning the E-facttable is your data retention policy.
If you're about to throw away your data on, say, a yearly basis, then having the table partitioned that way can provide huge benefits.
My personal view to this is: you already payed for the most expensive and feature-rich database engine available for SAP BI - so why not go and exploit these features where possible?
best regards
Lars -
Hi I have a current XP SP3 setup have been using in a dual boot with Windows 8.1(on separate partitions on different hard drives - I think these are SATA drives) but now am thinking of migrating my XP partition preferably as a live virtual machine
to be run as a guest via Windows 8.1 as host so I don't have to do the rebooting. Also prefer this to making a VHD of my XP so can use the existing partition allocated for it rather than taking up extra space as VHD on my windows 8 (and don't want yet
to replace my xp dual boot in case it does not work so well as vhd, as I have a lot of old educational programs my kids still use on it that I don't really want to put onto my W8.1). Will also save time if I don't have to convert it to VHD first. I
also do not want to reinstall a new XP Sp3 virtual machine from scratch for same reason - will take too long to resetup -just use existing as is.
I have used VMWare player and Virtual Box in past with an old 98SE system as a virtual VHD/VPC file but VMWare workstation is paid which may be the one I need to use a physical partition but I prefer to try freeware options first.
Will Hyper-V in Windows 8.1 (I have retail PRO version of both my XP and Windows 8.1) be able to do the same as VMWare workstation? OR is there another option to run the physical XP?
The other thing with my XP setup is that the user profiles that people login with are located on a different partition E (80GB) to my XP which is on J (100GB) and most of the programs for it run from partition D (over 120GB) and the XP boot loader resides
on a partition C (2GB) (which is not the Windows8.1 partition which becomes C only when it boots, but this C drive for XP may also be having the Windows 8 boot loader and files for that -using EasyBCD to handle boot menu of W7 type boot loader).
So I need a system that can mount these other physical partitions also alongside with my XP partition when it boots up.
So what are my options for running this XP SP3 setup via Windows 8 as a guest operating system?
Also will doing this be likely to require reactivation of my existing windows XP (retail) which means I cannot then use it again if I go back to the XP dual boot at times or in case the VM setup does not work?
Also do I need to change my XP first so that it boots off its own drive rather than the C partition - and how do I set this up then using EasyBCD or windows boot repair?HI I found I had to make physical disk offline to use in Hyper-V which I cannot do and do not want to do with all partitions - cannot choose just ones want.
So now am trying to make VM of my physical XP -and other partitions neeeded but D partition is over 127Gb so cannot use Disk2VHD.
Here is what am trying now - any other suggestions for alternate software to vmware convertor/disk2VHD maybe to do partitions over 127GB? I have posted also at VMware forums but no answer as yet.
Advice on doing a physical XPSP3 conversion to a VM for Virtual box and hyper-v ultimately
Hi I need advice as to best way to convert an existing XP Sp3 install on a physical hard drive along with other related partitions to a Virtual box VM image with aim to convert that VM image to a Hyper-V VM for use with Windows 8.1 host.
I have several C (boot ini partition), D programs, E Data, etc partitions and a current dual boot with an extra XP install I use as a backup system.
My main XP is on J drive and other XP on I drive with C drive boot ini that switches btw 2 with J set as default.
I have a D partition that is over 127 Gb so cannot use Disk2VHD which would have been easier, and it seems there is not a way to make a direct Hyper-V VM from converter but only Vmware VM?
I do not have or want to purchase as yet VMware Workstation as have W8.1 Pro that can use Hyper-V to run my XP SP3.
I seem to also have an issue with COM+ corrupted on my machine XP J drive ( It tried to reinstall the COM+ but my es.dll file won't register and I did get a failed conversion with converter when tried earlier at 94% saying VSS snapshots have
reached their limit). I think this is related to my COM+ issue which I am not sure now how to fix apart from repair install of my Xp (as I have tried repairing COM with various articles searched on google to no avail) which I may do first before
retry conversion. However my ALT XP on I drive seems to be fine with being able to browse the COM+ applications ok. SO maybe I can use that instead but it is the J drive XP I want the most (not sure if will work at reboot if I do not
hot clone it?)
I have read also the manual for converter 5.5.1 ver standalone and am not sure of a few things so if someone can guide me it would be very much appreciated.
First of all which version VM should I make image of if I later want to convert it to a Hyper-V VM image (I only have free Virtual Box latest ver, VMware Player and Hyper-V on Windows 8.1 PRo) ie: VMware workstation 10 or Vmware Player 6 or lower
ver or other? OR is there another software I should install for the conversion or later conversion to Hyper-V? I prefer to use Hyper-V over Virtual Box and Vmware Player if possible, but should these others work just as well for my Xp Sp3 existing
system as a VM in Windows 8.1? Please advise which you think is best of these?
Should I leave all configuration options off while converting and even XP licence, workgroup etc or is it most likely that I will have to reactivate my XP (retail ver) once I reboot in the VM although I am putting to run on Windows 8.1 host on exact same
hardware as my current XP in dual boot (replacing my physical copies which I don't intend to use after conversion)? Can I enter licence etc later as well?
I currently have 8 GB ram total -should I leave Xp one at max it suggests of around 3Gb ram?
I have Quad core processor -but should I make Xp Vm one dual core for when it runs on W8.1 host to allow the host some processors so can run at same time or leaving my Xp at quad core will be ok?
Network - I want to use host one as I read it is safer for obsolete XP so do I set that at start or is it better to change this later too -allowing xp to have own internet access (maybe as may need to reactivate also - don't want to call Microsoft
if can avoid it)?
If I just want to convert resulting VM to Hyper-V VM -which software to use after for this that is freeware (Virtual Box or VMware Player or Hyper-V -not sure which can do it) and do I not then install Vmware tools?
SYSPprep should I do anyway regardless of what target VM will be when configuring later, even if on same hardware machine? OR can I just boot Vm and see if boots ok first?
Anything else I should set specifically for this future use of the VM image in hyper-v?
AU -
Logical vs. Physical Partitioning
Hi,
In a discussion of logical partition the author pointed out that
if a query that needs data from all 5 years would then automatically (you can control this) be split into 5 separate queries, one against each cube, running at the same time. The system automatically merges the results from the 5 queries into a single result set.
1. Can you direct me on how to control this as the author indicated?
2. Also, the author noted that
Physical Partitioning - I believe only Oracle and Informix currently support Range partitioning.
a) Does it mean that BW does not use physical partitioning?
b) Where do we indicate physical or logical partitioning as an option in BW?
c) Or, when we talk about dimension table, etc. is there always an underlining database such as Oravle, Infomix, etc in BW? If so, what does BW use?
3. For physical partitions, I read that the cube needs to be empty before it can be partitioned. What about logical partition?
4. Finally, what are the underlying criteria to decide on logical or physical partitioning or both
Thanks. Can you direct me on how to control this as the author indicated?
You make this setting RSRT.
2. Also, the author noted that
Physical Partitioning - I believe only Oracle and Informix currently support Range partitioning.
DB2 also support partiioning. Also the current relese of SQL server support partitioning.
b) Where do we indicate physical or logical partitioning as an option in BW?
Physical parittions are set up in the cube change option. When you are in the cube change mode, on the themenu, chose extras - performance / DB parameters - parttitios.
Now a screen will pop giving the time characteristics in the cube and choose the characteristic (s) that you wish to chose and confirm the entries - then you will get another small pop up where you set the no of parittions.
Also, pl note that you can partition only on fiscalyear and fiscal period and not on other time characteritsitcs.
Logical partitions: Logical paritions are nothinb but spilting the cube into numerous cubes of smaller sizes. You combine all these cubes by means of multi provider. For example, if you have 1000 cost centers , you may want to split into cubes based on the cost cenree numbers and combine them into a multi provider.
No more setting is required.
c) Or, when we talk about dimension table, etc. is there always an underlining database such as Oravle, Infomix, etc in BW? If so, what does BW use?
Dimension tables / fact tables/ ODS tables /master data tables are all database tables. Which ever database you use and when yu activate these objects, the tables are created in the underlying database.
3. For physical partitions, I read that the cube needs to be empty before it can be partitioned. What about logical partition?
Logical partiton can be done any time.
4. Finally, what are the underlying criteria to decide on logical or physical partitioning or both
The underlying criteria is facotrs such as :
(a) the no of years of history tou wish to view in reports.
(b) te no ofyears you will hold the data in BW before archiving.
(c) othe performance matters related tro sizing.
Ravi Thothadri -
Logical or Physical Partitionning
Hi Dudes,
Can anyone explain in which case it is recommended to use a logical partitioning rather than a physical one and vice versa?
I try to optimize the queries navigation based on a cube of 20 M records. That cube contains ~ 15 different companies and grows of 6M records per year.
Currently the queries runtimes are "good" as they always find an aggregats to display the default view but the performances fall when we drilldown a free characteristic i.e. when each time we leave the aggregate.
The queries often compares different periods and exercices and multi-companies and have lots of calculated/restricted key figures and sometimes lots of cells.
I haven't found until now the good solution between logical partitionning by Time Period or Organization (severals cubes) and physical partitionning (1 cube)? Should I include Hints too?
Thanks in advance for your expertises
SamuelHi Sam
Below is a thread which explains the differences b/w Phy/Log Partition.. ( FYI)..
Physical Vs Logical Partitioning
Now, about your design.. you said you have 15 different comp codes in one cube and it will grow..
I am thinking.. what if you do a logical partition based on Company codes. If you are having different regions ( Asia, Europe, Americas).. create 3 different cubes and as per the region/source system ID.. and you can partition.. or if you dont have any regions (lets say you are in Europe).. then again based on the volume growth/analysis.. create new cubes and patition your cubes based on the "range" of comp codes into one cube and do forth.. this way you can handle the volume over a period of time..
now create a Multi provider on top of those cubes and create queries... if you still want to optimize.. then by using some custom logicu2026 direct the queries to the releavant cube
Hope this helps
Thanks
Kalyan -
How to manage physical sample in SAP?
Hi,
How to manage physical sample in SAP?
Regards
Ashish JainHi
Physical sample is to keep the sample of a product till its shelf life expiry date. E.g. In case of any shelf life applicable product, the inspected sample will be retained till its expiry date. If any customer complaints are received, on inspecting the complaint, result may be compared with the existing physical sample.
In SAP, Material master should have inspection type 15.
To create physical sample, sample drawing procedure has to be created and attached to the header of inspection plan. With this set up when the lot is created, physical sample will also be created. Result recording should be done for physical sample. Physical sample storage information has to be updated through transaction code QPR2
Regards
Nikhilesh Ray -
Mapping Logical address in AD to a physical address in SAP Portal
Dear All,
We have a Logical field named "empcode" in Active Directory.
I need to map it with a physical field in SAP Portal.
Kindly assist me in the same.
Thank you,
Regards,
Disha.Hi Disha,
The following example would help you understand the process
http://help.sap.com/saphelp_nw70/helpdata/en/44/7d188751626fb5e10000000a155369/content.htm
Case 1:
If you want to map the attribute to the existing logical attribute in SAP. Then simply change under the section <attributeMapping>
Case 2:
You can create a new logical attribute and then do the mapping. This is clearly shown in the example itself.
Regards,
Mahesh -
Hi Gurus,
I have a cube that has been physically partitioned on 0FISCPER. I have analysed the partitions in DB02. Every thing looks good. Queries with 0FISCPER as variable input or hardcoded values works fine. I have analysed the execution path in RSRT( I mean with definetive values of Pstart and Pstop).
I have a problem with queries that have 0FISCPER being populated through Customer Exit variables. In the exection plan, I found
{PARTITION RANGE ITERATOR
Pstart: KEY Pstop: KEY}
So I feel that for such queries, partition is not working properly and is reading the entire E fact table.
There is no problem with the query output values.
Let me know whether my understanding is right?
Is there some other analysis to be done to confirm the situation?
Thanks in advance.
AdarshArun,
Thanks for your reply.
Statistics are refreshed and no problems reported in RSRV.
I have analysed that this problem exists with range values only (customer exit or input variable). There is no problem with single input or multiple input values.
PFB the extract of WHERE condition in the SQL SELECT statement for range input. (2009001 - 2009004)
"F"."KEY_ZWSL_C013" = "D3"."DIMID" AND "F"."KEY_ZWSL_C011" = "D1"."DIMID" AND
"F"."KEY_ZWSL_C012" = "D2"."DIMID" AND "F"."KEY_ZWSL_C014" = "D4"."DIMID" AND "F"."KEY_ZWSL_C01T"
= "DT"."DIMID" AND "F"."SID_0FISCPER" = "DT"."SID_0FISCPER" AND "DT"."SID_0FISCPER" = "S1"."SID"
AND "F"."KEY_ZWSL_C01P" = "DP"."DIMID" AND (((( "D4"."SID_0COMP_CODE" = 5 )) AND ((
"S1"."FISCPER" BETWEEN '2009001' AND '2009004' )) AND (( "DP"."SID_0RECORDTP" = 0 )) AND ((
"DP"."SID_0REQUID" <= 26930 ))))
PFB the extract of WHERE condition in the SQL SELECT statement for single input (2009001).
"F"."KEY_ZWSL_C013" = "D3"."DIMID" AND "F"."KEY_ZWSL_C011" = "D1"."DIMID" AND
"F"."KEY_ZWSL_C012" = "D2"."DIMID" AND "F"."KEY_ZWSL_C014" = "D4"."DIMID" AND "F"."KEY_ZWSL_C01T"
= "DT"."DIMID" AND "F"."SID_0FISCPER" = "DT"."SID_0FISCPER" AND "DT"."SID_0FISCPER" = "S1"."SID"
AND "F"."KEY_ZWSL_C01P" = "DP"."DIMID" AND (((( "D4"."SID_0COMP_CODE" = 5 )) AND ((
"S1"."FISCPER" = '2009001' AND "F"."SID_0FISCPER" = 42009001 )) AND (( "DP"."SID_0RECORDTP" = 0 ))
AND (( "DP"."SID_0REQUID" <= 26930 ))))
Between the two extracts I observe that in case of single input -*** "F"."SID_0FISCPER" = 42009001 *** is present but not in case of range input.
Pls suggest me.
Thanks in advance.
Adarsh -
Physical movement of SAP Servers ( Procedure,Odds n Cons, Pre/Post Steps )
Physical movement of SAP Server and Pre,Post steps ?
Hello Experts,
Need your help here.. Our Data Center is moving to Different Place , hence IM team proposed Physical movement of SAP Server to New Location.
In our Landscape we have SRM 4.0, XI 3.0 & BW 3.5 , ITS 620 and Requisites Servers available . As these are out of SAP support we don't have expert for ITS and Requisite Server installation and configutaiton.
Please please tell me Will this process work ? if yes then what are odds n cons in this procedure , Pre and Post Steps need to perform.
Please help me as early as possible as we need to take decision ASAP.
Thanks and Regards,
Raja.
Net-weaver Consultant.Hi Raja,
You need to take care of following
1) Ensure that IP address and hostname are retained in the new DC. If IP is changing you need to take a note of all the RFC and JCO connections where IP is used and replace them with hostname.
2) For ITS you can re-install and re-configure. It is not a big task.
Make a note which all places ITS is configured.
3) You need to have full offline backup of the system before movement.
4) You need to plan for some System integration testing post movement to ensure things are working post DC migration.
Some useful information can also be found in http://christian.bergeron.voila.net/DC_Guide/Data_Migration_Methodology_for_SAP_V01a.doc
Hope this helps.
Regards,
Deepak Kori -
DB6 - Supports the logical partitioning for SAP BW
Hi All,
Please can someone help me to give the information .
We are using DB6 on top of that we have SAP BW 7.0. Is the logical partitioniong supported with this DataBase.
Thanks
kapseHi Kapse,
By using partitioning you can split up the whole dataset for an InfoCube into several, smaller, physically independent and redundancy-free units. In SAP BW you can achieve the same as
In the InfoCube maintenance choose Extras ® Partitioning, and specify the value range. Where necessary, limit the maximum number of partitions. Note: You can only change the value range when the InfoCube does not contain any data.
Regards,
Deepak Kori -
Physical Memory Upgrade [SAP, Oracle parameter changes]
Hello Guru,
Good day!
I'm not sure if I'm in the correct forum, please bare with me if I'm not.
We are actually planning to increase our Production [Physical Memory] server from its current size 15360GB including [oracle, SAP & OS] to 44GB memory. Do you have any idea how can we calculate to the most needed SAP / DB parameter should be increase after we allocate the 44GB in preparation for Go-Live. Below are details of my systems [oracle version, kernel, R/3 System, OS version, SAP parameter and DB parameter.
Reason for memory upgrade: will create two client in one system with a different number of users and different plant e.g. America / Canada
======================================================================
SAP R/3 Version: SAP 4.6C
Oracle Version: 10.2.0.4.0
OS Level: AIX 5.3
orapaa> oslevel -g
Fileset Actual Level Maintenance Level
bos.rte 5.3.8.0 5.3.0.0
Physical Memory
Real,MB 15360
======================================================================
kernel release 46D
kernel make variant 46D_EXT
compiled on AIX 1 5 0056AA8A4C00
compiled for 64 BIT
compile time Aug 17 2007 10:57:49
update level 0
patch number 2337
source id 0.2337
======================================================================
orapaa> prtconf
System Model: IBM,9117-MMA
Machine Serial Number: 06DDD01
Processor Type: PowerPC_POWER6
Processor Implementation Mode: POWER 6
Processor Version: PV_6_Compat
Number Of Processors: 4
Processor Clock Speed: 4208 MHz
CPU Type: 64-bit
Kernel Type: 64-bit
LPAR Info: 9 SWT_AMR_SADCB335_SAP_HA_PRI
Memory Size: 15360 MB
Good Memory Size: 15360 MB
Platform Firmware level: Not Available
Firmware Version: IBM,EM340_095
Console Login: enable
Auto Restart: true
Full Core: false
======================================================================
Our current used SAP parameter
Profile parameters for SAP buffers Parameters Name Value Unit
Program buffer
abap/buffersize 850000 Kb
CUA buffer
rsdb/cua/buffersize 10000
Screen buffer
zcsa/presentation_buffer_area 20000000 Byte
Generic key table buffer
zcsa/table_buffer_area 100000000 Byte
Single record table buffer
rtbb/buffer_length 60000
Export/import buffer
rsdb/obj/buffersize 40000 kB
Table definition buffer
rsdb/ntab/entrycount 30000
Field description buffer
rsdb/ntab/ftabsize 60000 kB
Initial record buffer
rsdb/ntab/irbdsize 8000 kB
Short nametab (NTAB)
rsdb/ntab/sntabsize 3000 kB
Calendar buffer
zcsa/calendar_area 500000 Byte
Roll, extended and heap memory EM/TOTAL_SIZE_MB 6144 MB
ztta/roll_area 6500000 Byte
ztta/roll_first 1 Byte
ztta/short_area 1400000 Byte
rdisp/ROLL_SHM 16384 8 kB
rdisp/PG_SHM 16384 8 kB
rdisp/PG_LOCAL 150 8 kB
em/initial_size_MB 4092 MB
em/blocksize_KB 4096 kB
em/address_space_MB 4092 MB
ztta/roll_extension 2000000000 Byte
abap/heap_area_dia 2000000000 Byte
abap/heap_area_nondia 2000000000 Byte
abap/heap_area_total 2000000000 Byte
abap/heaplimit 40000000 Byte
abap/use_paging 0
======================================================================
Oracle Parameter
Oracle Parameter Name Value Unit
SGA_MAX_SIZE 6192 MB
PGA_AGGREGATE_TARGET 400 MB
DB_CACHE_SIZE 0
SHARED_POOL_SIZE 960 MB
LARGE_POOL_SIZE 16 MB
JAVA_POOL_SIZE 32 MB
LOG_BUFFER 14246912
db_block_buffers 655360
Thanks and regards,
MikeI feel the best way to get the parameters which needs to be adjusted is to go for EarlyWatch Check after increasing the Physical Memory of your SAP system, as we cannot say how and which parameters needs to be checked and changed.. as there is some dependiblity also between the parameters...
All the best ! -
How to use Partitioning in SAP BW 7.0 on infocubes
Hi ,
I want to do partioning on my infocube but i have already loaded a data incube
So is it possible to perform partioning on that cube?
Is it mandatory to have infoobject as time dependent to perform partioning?
Thanks
AjitHi Ajit:
Take a look at the PowerPoint Presentation and Transcript by Ron Silberstein.
"Partitioning and Multi-Cubes in BW 2.0B"
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/a22eb490-0201-0010-3eb4-8ed350347cbb
Regards,
Francisco Milán.
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